CN1996023A - Moving type quick automatic monitoring system for water quality - Google Patents
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- CN1996023A CN1996023A CN 200610165582 CN200610165582A CN1996023A CN 1996023 A CN1996023 A CN 1996023A CN 200610165582 CN200610165582 CN 200610165582 CN 200610165582 A CN200610165582 A CN 200610165582A CN 1996023 A CN1996023 A CN 1996023A
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Abstract
The invention relates to movable quick water automatic monitoring system. Particularly of the movable water quality inspection technique. It comprises the sampling section carried inside the boat with water pump and water tank, water intake tube connected with output end of the water jet aspirator on one of the side wall of the water tank, water outlet on the other side wall, water running out of the outlet for water quality inspection, exhaust pipe at the bottom of the water tank, inspection part with water quality inspector and GPS receiver, terminal settlement part with data collecting card for receiving water quality information of the water quality inspector, and working condition machine that transmits the water quality information and geological information to the telemanagement center through GPRS. It has quick, accurate feature for acquiring time and space location water quality data, quickly finding out the abnormal change of the water quality, with far reaching significance for big area water surface water quality monitoring.
Description
Technical field
The invention belongs to water quality monitoring system integration field in the environmental protection.Be particularly related to movable water quality inspection technique.
Background technology
China all will face the severe situation of water environment pollution in the quite a long time from now on.Since the eighties, along with the development of economic society, the continuous expansion of city size and the sustainable growth of water consumption, the effluent sewage that enters river,lake and reservior constantly increases, and the pollutant matrix that enters water body is complicated more, the variability that flows is bigger, spatial and temporal distributions and change uneven more.In order to find the ANOMALOUS VARIATIONS of water quality as early as possible, make the water pollution forecast rapidly, in time follow the trail of pollution source, dilution, the self-cleaning rule of research water when the laboratory monitoring is progressively perfect, have developed automatic water quality monitoring system and moving monitoring system successively.
Automatic water quality monitoring system is to be core with the on-line automatic analyzer device, utilization modern sensor art, automatic measurement technology, the online automatic monitoring system of a cover that automatic control technology, Computer Applied Technology and relevant dedicated analysis software and communication network are formed.Compare with usual manner, automatic water quality monitoring system has not only reduced the workload of sampling, transportation, analysis, its serial sampling, and the performance that the parameter analysis is carried out at the scene can also avoid causing because of transportation, standing time are long water sample generation physicochemical change.
The instrument and equipment that the water quality moving monitoring system can be regarded as fixed water quality detection station all is loaded on the mobile device (ship, car), can move to the monitoring system of different regions as required.System is made of modern mobile monitoring car, portable Water Test Kits, automatic sampler, image acquisition and mobile communication equipment etc.Utilize the basic polluter of the on-the-spot monitoring rapidly of analytical instrument of water quality easy to carry, collect and record the scene of pollution, and in time the firsthand information is back to higher level department and Center For Information Management by the GPRS/GSM mobile communication equipment.Simultaneously automatic collected specimens is carried out the constant temperature storage, in order to the usefulness of further analyzing in the laboratory.
China has set up " Changqing number " Water Pollution Monitoring ship in nineteen eighty-three.Be equipped with multiple Water Test Kits on the ship, the hydrology, meteorological observation instrument and relevant utility appliance and facility etc. can be analyzed monitoring relevant physical parameter of water body and contaminant component more all sidedly, comprehensively carry out substrate, the investigation of projects such as hydrobiont and measurement.In November, 2000, " the Changjiang river water ring prison 2000 " monitoring ship comes into operation, and has increased lab analysis measuring ability on automatic sampling and the ship.Advanced navigator such as radar and global positioning system are equipped with on the ship; Be provided with two laboratories in chemical analysis chamber and instrument room, have testing equipments such as " ultraviolet light photometers ", can gather 100 meters depth of water scopes interior water quality, hydrobiont and bottom material sample rapidly and carry out instant analysis.
Building of external automatic water quality monitoring system depends on the automatic water quality monitoring instrument.Carry out the research of automatic water quality monitoring instrument and continuous and automatic monitoring system and produce mainly concentrating on developed countries such as Germany, France, the U.S., Japan, Australia, there be WTW, LAR, the STIP of Germany in leading firm, and the company such as Tianjin that leads of the ISCO of the U.S., YSI, Japan.
The way of artificial sample to lab analysis adopted in the water quality monitoring of China for a long time always, and along with the pay attention to day by day of country to water pollution, this several years automatic monitors and monitoring system just begin development and development.At present also there is not a tame unit can release complete monitoring system, just develops a certain monitoring instrument or software respectively.
To sum up, present surface water quality monitoring both domestic and external is so that fixedly automatic monitor station, mobile monitoring are assisted it.But, for automatic monitoring system, its cost is higher than the financial capability of environmental monitoring system far away, this has directly caused the stationary monitoring station negligible amounts of having built in China's surface water large watershed areal extent, can't provide sufficient basic data for comprehensive evaluation functional areas quality of water environment, be difficult to realize water environment and water quality are carried out all the period of time, omnibearing dynamic monitoring, and for sudden water pollution incident, be difficult to carry out water quality monitoring in real time targetedly in the specific region.On the other hand, existing mobile monitoring ship can't sampling monitoring under operational configuration, limited the fast property of obtaining water quality data, and the Monitoring Data degree of treatment of various instruments is not high, and intuitive is not strong, has restricted the performance of mobile monitoring advantage to a great extent.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of moving type quick automatic monitoring system for water quality is provided.This system is integrated with multiple automatic water quality monitoring instrument, data Collection ﹠ Processing System, gps satellite positioning system, GPRS wireless telecommunication system, by every index of the water body that focuses on collection and corresponding geographical information, and send to administrative center in real time, obtain continuous real-time water monitoring data on the space.
The scheme that the present invention proposes is characterised in that, contains the following part of loading in hull: sampling section, test section and terminal processes part;
Described sampling section contains a suction pump and a water tank, on a sidewall of described water tank, be provided with the water inlet pipe that is connected with the water side of suction pump, on another sidewall of water tank, be provided with rising pipe, the water that flows out from this rising pipe detects for water quality testing meter, is provided with drainpipe at described water tank bottom;
Described test section contains the water quality testing meter that is useful on the index of correlation of water in the detection water tank, also contains a gps receiver, is used for the information of receiving system geographic location;
Described terminal processes partly contains a data capture card and industrial computer, and described data collecting card receives the water quality information that described water quality testing meter transmits in real time, also receives the information of the system geographic location that described gps receiver transmits simultaneously; Described data collecting card to described industrial computer, through GPRS network is real-time transmitted to telemanagement center after by industrial computer water quality information and geographical location information being handled with the data upload that receives.
Described water quality testing meter is one or more the combination in multi-parameter water quality on-line monitoring instrument, ammonia nitrogen in-line analyzer, phosphate in-line analyzer and the chlorophyll in-line analyzer.
Described gps receiver be positioning error smaller or equal to 30m, but and the gps receiver of real-time Transmission locator data.
Described data collecting card is the data collecting card with the input and output of multi-channel digital amount.
Contain two baffle plates in the described water tank, wherein a baffle plate is near water inlet pipe, and its underpart is unsettled; Another piece baffle plate is near rising pipe, and its underpart connects water tank bottom, and top is lower than the water tank upper end.
On described rising pipe and drainpipe, be provided with control valve.
Described suction pump is to inhale journey more than or equal to 8m, and rated flow is more than or equal to 2m
3The water pump of/h.
Evidence, one aspect of the present invention can obtain to have precise time and sterically defined water quality testing data on the basis of small investment, on the other hand owing to measuring period is short, the water system water monitoring data is provided fast, can in time forecast the downstream water pollution, early find the ANOMALOUS VARIATIONS of water quality, significant to the water water quality monitoring of the large tracts of land face of land, and have wide utilization prospect.
Description of drawings
Fig. 1 forms synoptic diagram for moving type quick automatic monitoring system for water quality;
Fig. 2 is waterbox design figure;
Fig. 3 is system's operational scheme block diagram.
Embodiment
The composition of moving type quick automatic monitoring system for water quality as shown in Figure 1, total system can be divided into three parts:
The I sampling section: be made up of self-priming pump 01 and water tank, 02 is the flowing water Valve of water tank; Sampling section is used to obtain stable tested surface water water sample;
II monitors part: be made up of water quality testing meter and gps receiver 03, obtain water quality and geographic position data;
III terminal processes part: contain data collecting card, industrial computer 04, the geographical location information that data that water quality testing meter monitors and gps receiver 03 receive is by the data acquisition unit collection, import computing machine then and carry out signal Processing, storage, the data that write down are transferred to telemanagement center 06 by GPRS wireless communication networks 05.
In sampling section when sampling, be fixed on underwater 1m or depths more with steel pipe with the intake pipe port of water pump, by suction pump 01 tested surface water extracted to water tank.When the boat travel speed that is loaded with this monitoring system is too fast, because the current water negative pressure is excessive, the pipeline that will cause fetching water suction difficulty.For this reason, can preferentially adopt the plastic conduit (water intaking part) that includes metal wire, and high suction depth 8m, rated flow are 2m
3The suction pump of/h, normally fetch water in the time of can guaranteeing the speed of a ship or plane less than 15km/h like this (when the suction journey was 9m, highest speed can reach 20km/h).
As shown in Figure 2, water sample advances after water inlet pipe 21 is gone into water tank, and through baffle plate 22, baffle plate is solid baffle plate, can reduce water velocity, and silt is sunk to the bottom fast, and water quality testing meter is detected the comparatively stable water sample that rising pipe 23 flows out.When needs clean water tank, drainpipe 24 can be opened, water is drained fast, so that clear the cleaning.Because the speed of a ship or plane and tested water body flow velocity change constantly, the surface water flow instability of inlet box is established adjustable gate at rising pipe 23 and drainpipe 24 places, by stablizing of water level in the control water discharge maintenance water tank.The setting of baffle plate has avoided coming the hydraulic disturbance of water and water outlet, has stablized tested water body water quality to a certain extent.On the other hand, two baffle plates make silt precipitate in water tank, have protected water quality monitor, and the silt when system maintenance under the deposition can wash by drainpipe.Baffle plate is detachable, unloads rear water box and can load water quality monitor, and the pulley at the bottom of the case is convenient to transportation.
In the monitoring part, water quality testing meter can be established one or more as required, as detecting the various detectors of multinomial water-quality guideline such as water temperature, pH, conductivity, COD, TOC, ammonia nitrogen, nitre nitrogen, phosphate, chlorophyll.Testing result enters data collecting card.
For satisfying the demand of different quality, can select all or part of index to monitor targetedly, also can on this integrated system basis, add other water quality on-line detector device again.Mainly be applicable to the automatic water quality monitor of sewage treatment plant for some, also can make it to apply in the native system by the software correction of monitoring result.
Gps receiver receives the latitude and longitude information of sampling spot in real time, the input data collecting card.In industrial computer, geography information and water quality testing data are handled, and information is sent to the telemanagement center.
In the terminal processes part, data collecting card is transferred to industrial computer with water quality detection information and the geographic information data that transmits, and is transferred to the telemanagement center by GPRS network.
A specific embodiment is provided below.
Water tank is according to shown in Figure 2.Suction pump adopts the miniature clear water electric pump of New Territory QB70 model, high suction depth 8m, caliber 25mm, the about 2m of the flow during operate as normal
3/ h.
Water quality testing meter adopts four kinds:
STIP-SCAN All-in-One water quality on-line monitoring instrument (multi-parameter water quality on-line monitoring instrument)
Measurement mechanism is a spectroanalysis instrument, is a kind of of multi-parameter water quality on-line monitoring instrument, and the scope of analyzing spectrum is between 190-720nm.Sensor directly sucks measuring chamber with water sample to be measured, need not any sample pretreatment apparatus.The sewage quality parameter that Stip-scan All-in-One water quality on-line monitoring instrument can be monitored simultaneously comprises: nitre nitrogen, SAC254, COD, TOC, total solid, sludge settling ratio, sludge index etc.
ISCO/STIP buoy type nh 3-n analyser
The detection principle of this analyser is an ammonia gas-sensing electrode.In alkaline medium, ammonium ion (NH
4 +) be converted to ammonia.The ammonia molecule can see through film and produce pH and change by gas-selectively, and the variation that detects pH just can reflect the concentration of ammonia radical ion.Nh 3-n analyser is by directly putting into aeration tank or final water channel on-line measurement ammonia nitrogen.Measuring instrument perfusion and emptying realize by the static pressure and the air pressure of water, have saved sewage pump.All valves ingress of air, reagent and calibration sample, thus the height reliability of measuring guaranteed.Ammonia nitrogen measuring instrument front end is equipped with clean unit, makes sewage before entering reaction member, separates with mud and other solid matter.When ammonia nitrogen is measured, be controlled at the pH value that needs, to guarantee the measuring accuracy when hanging down the reagent consumption.Measuring instrument utilizes standard addition method to calibrate automatically every day, compensates the variation of sewage situation simultaneously.
ISCO/STIP buoy type phosphate analyser
This analyser is a quasi-continuous analyser of measuring the phosphor in sewage phosphate content.The special reagent reacting of phosphate in the sample and adding generates a kind of material of bright yellow, and its concentration absorbing wavelength is 380～480nm.Be equipped with diode array spectrophotometer in the analyser, it measures wavelength coverage is 380～780nm.Analyser is calibrated automatically with two standard models every day.The peristaltic pump of SPECTRON analyser is introduced measuring unit with sample by bypass.Sample and reagent mix in measuring unit, and form yellow substance, the absorbing wavelength of this material is 380～480nm.
The Cyclops-7 luminoscope
Cyclops-7 luminoscope under water is a kind of of chlorophyll in-line analyzer, this luminoscope is designed to be integrated together with the parameter setting and uses, have the little characteristics of high precision, low price and volume, make it in the ocean, aspects such as fresh water and dyestuff spike are with a wide range of applications.Although volume is small and exquisite, its sensitivity and dynamic monitoring scope are not affected.It can avoid the interference of turbidity, has guaranteed all to have good monitoring effect under multiple environmental baseline.The Cyclops-7 luminoscope can be measured multiple fluorescent material, comprises chlorophyll a, rhodamine WT, fluorescein, phycocyanin and phycoerythrin.Cyclops-7 needs an external power supply, can carry out the standard output of 0～5V to external display recorder.Three kinds are provided with the measurement range that function provides broad.
Gps receiver should select for use positioning error smaller or equal to 30m, but and the gps receiver of real-time Transmission locator data.Present embodiment adopts and closes many strong DGPS2000 positioning systems of thinking, and this system is the single-frequency GPS measuring system with 12 satellite-signal passages.Adopt PDA as data collection station, static measurement, rapid static are arranged, multiple GIS data acquisition schemes such as (dynamically accurate), kinetic measurement loiter.
Data collecting card should have multi-channel digital amount input/output port, and present embodiment adopts the HY110 recording controller, and this product has multi-channel A/I, A/O, D/I, D/O; But Remote Wake Up, but field equipment connecting communication; Support RS485 network, MODBUS agreement, support real-time clock, support data cut-off protection, the high capacity storage.
Last control machine should the integrated many serial ports and the network port, considers system stability and portable requirement, and present embodiment has adopted many serial ports, USB mouth, the network port integrated, uses touch-screen, can be at the industrial computer of 0～60 degree work.By the setting and the debugging of serial ports, GPRS module, gps satellite positioning system module, data acquisition module use three serial ports wherein respectively.
Controller, industrial computer, power supply and data collecting card that each water quality detection instrument is equipped with integrate the control box of packing into, have realized that the outward appearance of system is integrated, easy to use, transportation.
System's operational flow diagram as shown in Figure 3, the software that comprises in the system has: industrial control configuration software I ES5000, GPRS communication working software HY-GMSVR and the software qinghuawater_SVR of GPRS communication main website.HY110, HY201GM, three modules of HY201GP are installed in the industrial computer and support the working softwares such as 1ES-5000, HY-GMSVR of its work, and the Qinghuawater_SVR bitcom is installed in monitoring center's computing machine as GPRS communication main website.Mind-set is mounted with the mobile monitoring ship transmitting supervisory task of native system in the telemanagement, after the monitoring personnel receive task, start corresponding water quality monitor and gps receiver and carry out real-time water quality monitoring, industrial computer with the water quality information that receives and GPS geographical location information record and storage after, send to the telemanagement center by GPRS network, in telemanagement, analyze in the heart, upgrade the monitoring task according to analysis result to monitoring ship then.The upper machine communication setting is to be used to start the software setting that the telemanagement center signal receives task.
To sum up, this moving type quick automatic monitoring system for water quality can be realized the fast moving of the water quality on a large scale monitoring (per hour the analysis frequency of 6 water sample information provides the water-quality guideline of sampling water body in real time) of water environment on based on the basis integrated to multiple automatic water quality monitoring instrument, data Collection ﹠ Processing System, gps satellite positioning system, GPRS wireless telecommunication system.This system has satisfied the requirement of carrying out automatic water quality monitoring under operational configuration fast.
Claims (8)
1, moving type quick automatic monitoring system for water quality is characterized in that, contains the following part of loading in hull: sampling section, test section and terminal processes part;
Described sampling section contains a suction pump and a water tank, on a sidewall of described water tank, be provided with the water inlet pipe that is connected with the water side of suction pump, on another sidewall of water tank, be provided with rising pipe, the water that flows out from this rising pipe detects for water quality testing meter, is provided with drainpipe at described water tank bottom;
Described test section contains the water quality testing meter that is useful on the index of correlation of water in the detection water tank, also contains a gps receiver, is used for the information of receiving system geographic location;
Described terminal processes partly contains a data capture card and industrial computer, and described data collecting card receives the water quality information that described water quality testing meter transmits in real time, also receives the information of the system geographic location that described gps receiver transmits simultaneously; Described data collecting card to described industrial computer, through GPRS network is real-time transmitted to telemanagement center after by industrial computer water quality information and geographical location information being handled with the data upload that receives.
2, moving type quick automatic monitoring system for water quality as claimed in claim 1, it is characterized in that described water quality testing meter is one or more the combination in multi-parameter water quality on-line monitoring instrument, ammonia nitrogen in-line analyzer, phosphate in-line analyzer and the chlorophyll in-line analyzer.
3, moving type quick automatic monitoring system for water quality as claimed in claim 1 is characterized in that, described gps receiver be positioning error smaller or equal to 30m, but and the gps receiver of real-time Transmission locator data.
4, moving type quick automatic monitoring system for water quality as claimed in claim 1 is characterized in that, described data collecting card is the data collecting card with the input and output of multi-channel digital amount.
5, moving type quick automatic monitoring system for water quality as claimed in claim 1 is characterized in that, the industrial computer of described industrial computer the has been integrated many serial ports and the network port.
6, moving type quick automatic monitoring system for water quality as claimed in claim 1 is characterized in that, contains two baffle plates in the described water tank, and wherein a baffle plate is near water inlet pipe, and its underpart is unsettled; Another piece baffle plate is near rising pipe, and its underpart connects water tank bottom, and top is lower than the water tank upper end.
7, moving type quick automatic monitoring system for water quality as claimed in claim 1 is characterized in that, is provided with control valve on described rising pipe and drainpipe.
8, moving type quick automatic monitoring system for water quality as claimed in claim 1 is characterized in that, described suction pump is to inhale journey more than or equal to 8m, and rated flow is more than or equal to 2m
3The water pump of/h.
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| CN101620214A (en) * | 2009-07-23 | 2010-01-06 | 湖南力合科技发展有限公司 | Movable water quality automatic emergent monitoring system |
| CN101806811A (en) * | 2010-05-10 | 2010-08-18 | 珠海云洲智能科技有限公司 | Water quality sampling robot for full-automatic surface water |
| CN101833335A (en) * | 2010-05-10 | 2010-09-15 | 珠海云洲智能科技有限公司 | Small-size water surface robot device and self-adaptive flow optimizing navigation method |
| CN101949786A (en) * | 2010-08-24 | 2011-01-19 | 苏州聚阳环保科技有限公司 | Dynamic liquid separation liquid extracting device |
| CN102128735A (en) * | 2010-12-20 | 2011-07-20 | 四川大学 | Deep water sampling system |
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